Hartzell HC-E3YR-7 Owner's Manual page 156

(j) Airfoil profile identical between blades. After
(k) Hub or blade damage or cracking.
(l) Grease or oil leakage.
(m) Bends or blade deformation.
TESTING AND TROUBLESHOOTING
Propeller Owner's Manual
overhaul or repair for nicks - verify at a certified
propeller repair station with the appropriate rating.
NOTE: Dynamic balancing is recommended after
installing or performing maintenance on a
propeller. While normally an optional task, it
may be required by the engine or airframe
manufacturer to make certain the propeller/
engine combination is balanced correctly
before operation. Refer to the engine or
airframe manuals, and the Maintenance
Practices chapter of this manual.
136
61-00-36
Page 4-14
Rev. 2 Feb/17